|
Fair Value Measurements (Details 1) (Fair Value, Measurements, Recurring [Member], USD $)
In Thousands, unless otherwise specified |
Oct. 31, 2012
|
Oct. 31, 2011
|
|---|---|---|
|
Level 1 [Member]
|
||
| Assets: | ||
| Short-term / Long-term investments | $ 50,057 | $ 50,264 |
| Other long-term assets | 0 | 0 |
| Total assets measured at fair value | 50,057 | 50,264 |
|
Level 2 [Member]
|
||
| Assets: | ||
| Short-term / Long-term investments | 0 | 0 |
| Other long-term assets | 0 | 0 |
| Total assets measured at fair value | 0 | 0 |
|
Level 3 [Member]
|
||
| Assets: | ||
| Short-term / Long-term investments | 0 | 0 |
| Other long-term assets | 420 | 7,020 |
| Total assets measured at fair value | 420 | 7,020 |
|
Total [Member]
|
||
| Assets: | ||
| Short-term / Long-term investments | 50,057 | 50,264 |
| Other long-term assets | 420 | 7,020 |
| Total assets measured at fair value | $ 50,477 | $ 57,284 |